//  Copyright 2009-2010 Aurora Feint, Inc.
// 
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//  
//  	http://www.apache.org/licenses/LICENSE-2.0
//  	
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.

#include "OFStringUtility.h"

namespace
{
	CFStringRef illegalCharacters = CFSTR("!@#$%^&*()+=\\][{}|';:\"/.,<>?`~ ");		
}

namespace OFStringUtility
{
	OFRetainedPtr<NSString> convertToValidParameter(OFRetainedPtr<NSString> str)
	{
		return [(NSString*)CFURLCreateStringByAddingPercentEscapes(NULL, (CFStringRef)str.get(), NULL, illegalCharacters, kCFStringEncodingUTF8) autorelease];
	}

	OFRetainedPtr<NSString> convertFromValidParameter(NSString* str)
	{
		return [(NSString*)CFURLCreateStringByReplacingPercentEscapes(NULL, (CFStringRef)str, CFSTR("")) autorelease];
	}
}
